20 lines
381 B
LLVM
20 lines
381 B
LLVM
; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s
|
|
; PR2003
|
|
|
|
; CHECK: umax
|
|
|
|
define i32 @foo(i32 %n) {
|
|
entry:
|
|
br label %header
|
|
header:
|
|
%i = phi i32 [ 100, %entry ], [ %i.inc, %next ]
|
|
%cond = icmp ult i32 %i, %n
|
|
br i1 %cond, label %next, label %return
|
|
next:
|
|
%i.inc = add i32 %i, 1
|
|
br label %header
|
|
return:
|
|
ret i32 %i
|
|
}
|
|
|